Play your cards right and it could become a tracking solar collector.
Quote:
ccinnolab.org
The Solar 'Magnifying Glass'—Spherical Solar Collector
The spherical collector also produces double the amount of yield of conventional solar panels, thanks to an additional feature in its design: Its dual-axis solar tracking system allows it to rotate according to the position of the sun, so that sunlight at any time of the day can be harvested.
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Unfocused sky lighting could pass through to light the interior. Explosive bolts on the 'eyelid'